Skip to content
FareTell

Seattle to Los Angeles flights in December 2026 from $109 BFI, SEA → BUR, LAX, SNA

Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA) → Bob Hope Airport - Hollywood Burbank (BUR), Los Angeles International Airport (LAX), John Wayne Airport - Santa Ana (SNA)

For departures in December 2026, the cheapest return found recently is $131 with Southwest Airlines, 10 Dec – 14 Dec, found yesterday. The cheapest one-way found recently is $109 with Southwest Airlines, 11 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 3 departure dates is usually $132 to $143. Across all 8 departure dates we hold on this route, it is usually $148 to $295. Of the 2 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$131

10 Dec – 14 Dec · Southwest Airlines

Seattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)

out 1 stop, back nonstop

found yesterday

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
10 Dec – 14 Dec$131Southwest Airlinesout 1 stop, back nonstopfound yesterdaySee prices for these dates
11 Dec – 13 Dec$132Alaska Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Dec – 17 Dec$153Frontier Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

3 departure dates

10 Dec – 14 Dec: $131, found yesterday11 Dec – 13 Dec: $132, found 2 days ago13 Dec – 17 Dec: $153, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
10 Dec – 14 Dec$131Southwest AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)out 1 stop, back nonstopfound yesterdaySee prices for these dates
11 Dec – 13 Dec$132Alaska AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)out nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Dec – 17 Dec$153Frontier AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $131.

November 2026From $2345 departure dates17 Nov – 20 Nov · found 4 days agoSee prices for these dates
December 2026From $131Cheapest seen3 departure dates10 Dec – 14 Dec · found yesterdaySee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 15 departure dates is usually $80 to $157. Across all 23 departure dates we hold on this route, it is usually $109 to $212. Of the 2 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$109

11 Dec · Southwest Airlines

Seattle-Tacoma International Airport (SEA) → John Wayne Airport - Santa Ana (SNA)

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$74

15 Dec · Alaska Airlines

Seattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)

1 stop

found 2 days ago

Open this tripCheck today's price

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
15 Dec$74Alaska Airlines1 stopfound 2 days agoOpen this trip
6 Dec$78Frontier Airlinesnonstopfound 7 days agoOpen this trip
16 Dec$79Southwest Airlines1 stopfound 2 days agoOpen this trip
3 Dec$80Frontier Airlinesnonstopfound 7 days agoOpen this trip
4 Dec$80Frontier Airlinesnonstopfound 7 days agoOpen this trip

Every date we hold

15 departure dates

3 Dec: $80, found 7 days ago4 Dec: $80, found 7 days ago5 Dec: $172, found 4 days ago6 Dec: $78, found 7 days ago7 Dec: $241, found 7 days ago8 Dec: $252, found 7 days ago11 Dec: $109, found yesterday15 Dec: $74, found 2 days ago16 Dec: $79, found 2 days ago17 Dec: $142, found 2 days ago19 Dec: $124, found 2 days ago20 Dec: $108, found 2 days ago22 Dec: $118, found 2 days ago23 Dec: $119, found 2 days ago24 Dec: $336, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec$80Frontier AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)nonstopfound 7 days agoOpen this trip
4 Dec$80Frontier AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)nonstopfound 7 days agoOpen this trip
5 Dec$172Southwest AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)stops unknownfound 4 days agoOpen this trip
6 Dec$78Frontier AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)nonstopfound 7 days agoOpen this trip
7 Dec$241SeaPort AirlinesBoeing Field International Airport (BFI) → Los Angeles International Airport (LAX)1 stopfound 7 days agoOpen this trip
8 Dec$252SeaPort AirlinesBoeing Field International Airport (BFI) → Los Angeles International Airport (LAX)2 stopsfound 7 days agoOpen this trip
11 Dec$109Southwest AirlinesSeattle-Tacoma International Airport (SEA) → John Wayne Airport - Santa Ana (SNA)nonstopfound yesterdayOpen this trip
15 Dec$74Alaska AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)1 stopfound 2 days agoOpen this trip
16 Dec$79Southwest AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)1 stopfound 2 days agoOpen this trip
17 Dec$142Alaska AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)1 stopfound 2 days agoOpen this trip
19 Dec$124Alaska AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)1 stopfound 2 days agoOpen this trip
20 Dec$108Frontier AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)1 stopfound 2 days agoOpen this trip
22 Dec$118Alaska AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)nonstopfound 2 days agoOpen this trip
23 Dec$119Alaska AirlinesSeattle-Tacoma International Airport (SEA) → Los Angeles International Airport (LAX)nonstopfound 2 days agoOpen this trip
24 Dec$336SeaPort AirlinesBoeing Field International Airport (BFI) → Los Angeles International Airport (LAX)2 stopsfound 5 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $74.

November 2026From $1176 departure dates24 Nov · found 4 days agoOpen this trip
December 2026From $74Cheapest seen15 departure dates15 Dec · found 2 days agoOpen this trip
January 2027From $2632 departure dates8 Jan 2027 · found 6 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work